Hitachi RAS-8.0HNBRMQ1 - Page 115

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Checking Method for Inverter Module
Rectier and Inverter Circuit of Inverter Module. Remove all the terminals of the inverter module before check
If all the items (below table) are performed and all items are satised, the inverter module is non-defective.
Test Point
Analog Tester Result
Digital Tester Result
+ side of tester -Side of tester
AC-L1/AC-N L-COM More than 1k Ohm 0.5V or smaller
AC-L1/AC-N N More than 100k Ohm Overload
L-COM AC-L1/AC-N More than 100k Ohm Overload
N AC-L1/AC-N More than 1k Ohm 0.5V or smaller
U/V/W P More than 1k Ohm 0.5V or smaller
U/V/W N More than 100k Ohm Overload
P U/V/W More than 100k Ohm Overload
N U/V/W More than 1k Ohm 0.5V or smaller
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APFC Circuit of Inverter Module
If all the items (below table) are performed and all items are satised, the inverter module is non-defective.
Test Point
Analog Tester Result
Digital Tester Result
+ side of tester -Side of tester
L1/L2 P More than 1k Ohm 0.5V or smaller
P L1/L2 More than 100k Ohm Over Load
L1/L2 N More than 5M Ohm Over Load
N L1/L2 More than 0.5M Ohm Over Load
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